Tycho is a couple of years removed from his fourth and most recent ambient post-rock epic, Awake, and it looks like he’s putting a close to that era. The San Francisco-based producer just shared a short documentary about the making of that album, and has posted his first new track in a while. “Division” is a characteristically cerebral mood piece that builds up to some wonderfully scratchy dissonance and a needling riff that cuts through all that. Listen below.